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Ghost imaging is the process of creating data images of the content and configuration of a computer, server or similar device. It is part of the data backup process that enables the creation of replica images or instances of an entire computing device.
Ghost imaging is also known as data imaging, disk imaging or computer imaging.
Disk/data imaging or backup software are used to perform the ghost imaging process. Any system or disk can be restored by copying its ghost images to the new location. Other than data, such images also can copy and restore system/computer configuration files and preferences.
The ghost imaging term is used primarily in context with Norton Ghost, a disk/data/computer imaging software. It enables the creation of disks/data/computers, or ghost images, of such devices. Such images generally are created in a backup process and stored on backup servers, external or portable storage or backup facilities.